[webkit-reviews] review requested: [Bug 43722] cross_fuzz WebCore::RenderBlock::addChild* NULL ptrs : [Attachment 63911] Patch (review carefully)

[bugzilla-daemon at webkit.org]

Adam Barth <abarth at webkit.org> has asked  for review:
Bug 43722: cross_fuzz WebCore::RenderBlock::addChild* NULL ptrs
https://bugs.webkit.org/show_bug.cgi?id=43722

Attachment 63911: Patch (review carefully)
https://bugs.webkit.org/attachment.cgi?id=63911&action=review